245386960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:981

約数の個数: 160

約数和(自身を含む): 721953792

約数和(自身を除く): 476566832

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 182, 185, 208, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 560, 592, 728, 740, 910, 911, 962, 1036, 1040, 1295, 1456, 1480, 1820, 1822, 1924, 2072, 2405, 2590, 2960, 3367, 3640, 3644, 3848, 4144, 4555, 4810, 5180, 6377, 6734, 7280, 7288, 7696, 9110, 9620, 10360, 11843, 12754, 13468, 14576, 16835, 18220, 19240, 20720, 23686, 25508, 26936, 31885, 33670, 33707, 36440, 38480, 47372, 51016, 53872, 59215, 63770, 67340, 67414, 72880, 82901, 94744, 102032, 118430, 127540, 134680, 134828, 165802, 168535, 189488, 235949, 236860, 255080, 269360, 269656, 331604, 337070, 414505, 438191, 471898, 473720, 510160, 539312, 663208, 674140, 829010, 876382, 943796, 947440, 1179745, 1326416, 1348280, 1658020, 1752764, 1887592, 2190955, 2359490, 2696560, 3067337, 3316040, 3505528, 3775184, 4381910, 4718980, 6134674, 6632080, 7011056, 8763820, 9437960, 12269348, 15336685, 17527640, 18875920, 24538696, 30673370, 35055280, 49077392, 61346740, 122693480, 245386960]

約数ペア:

[(1, 245386960), (2, 122693480), (4, 61346740), (5, 49077392), (7, 35055280), (8, 30673370), (10, 24538696), (13, 18875920), (14, 17527640), (16, 15336685), (20, 12269348), (26, 9437960), (28, 8763820), (35, 7011056), (37, 6632080), (40, 6134674), (52, 4718980), (56, 4381910), (65, 3775184), (70, 3505528), (74, 3316040), (80, 3067337), (91, 2696560), (104, 2359490), (112, 2190955), (130, 1887592), (140, 1752764), (148, 1658020), (182, 1348280), (185, 1326416), (208, 1179745), (259, 947440), (260, 943796), (280, 876382), (296, 829010), (364, 674140), (370, 663208), (455, 539312), (481, 510160), (518, 473720), (520, 471898), (560, 438191), (592, 414505), (728, 337070), (740, 331604), (910, 269656), (911, 269360), (962, 255080), (1036, 236860), (1040, 235949), (1295, 189488), (1456, 168535), (1480, 165802), (1820, 134828), (1822, 134680), (1924, 127540), (2072, 118430), (2405, 102032), (2590, 94744), (2960, 82901), (3367, 72880), (3640, 67414), (3644, 67340), (3848, 63770), (4144, 59215), (4555, 53872), (4810, 51016), (5180, 47372), (6377, 38480), (6734, 36440), (7280, 33707), (7288, 33670), (7696, 31885), (9110, 26936), (9620, 25508), (10360, 23686), (11843, 20720), (12754, 19240), (13468, 18220), (14576, 16835)]